12" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 22 5/8"] Copper Coil expanding or retracting the gap

expanding or retracting the gap to meet your precise needs

much more than required 700 PSI for R410

listed size +1

actual front end outer dimensions are approximately 20 5/8" width X 20 5/8" height

12" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 22 5/8"] Copper Coil expanding or retracting the gap+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 14 5 8" width X 20 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and